𝐖𝐢𝐬𝐝𝐨𝐦 𝐨𝐟 𝐤𝐧𝐨𝐰𝐥𝐞𝐝𝐠𝐞 on Instagram: "Using a 1000 Hz tone (or any specific frequency) to clean your mobile speaker is a technique based on sound waves and vibrations. The 1000 Hz tone produces a sound wave that vibrates at 1000 cycles per second. When played through the speaker, these vibrations can help dislodge small debris (like dust or dirt) that may be stuck in the tiny speaker grill. Higher-frequency sound waves, like 1000 Hz, tend to have a more rapid oscillation, which can

Science | Fact | Knowledge on Instagram: "Creating custom paint colors is both an art and a science. It begins with a base usually white paint - into which precise amounts of pigment are added to achieve the desired shade. Modern paint tinting machines can dispense pigments with incredible accuracy, ensuring that every batch of paint perfectly matches the color sample chosen by the customer. Each pigment drop interacts with the base paint in a fascinating chemical way: the more pigment added, th

Could you solve it? This supersized Rubik's Cube was unveiled in Hong Kong in 2021 | Guinness World Records